Workflow or API calls:
Reminder: If this is referring to a client domain or EHR activity—not the public sandbox—do not include API request data or live patient data.
Background Information:
Failure to provide answers will impact our ability to respond in a timely and effective manner
Developer questions:
Are you an OPN Member? Yes
Have you signed up to be in the Healthcare Developer Track? Yes
Are you a registered Code Program member? Yes / No
Does your App have a presence on the Oracle Healthcare App Marketplace? Yes / No
Are you developing on behalf of an Oracle Health client?
If so, which client:
Application's Client ID and App ID, if relevant: 0d4b338c-2638-460b-926c-9cec9606c70d
Expected Result: GET a valid Access token
Actual Result: {"error":"invalid_grant","error_uri":"https://authorization.cerner.com/errors/urn%3Acerner%3Aerror%3Aauthorization-server%3Aoauth2%3Atoken%3Apkce-verification-failed/instances/7c0cbf8d-277b-4889-b853-41c61499bedf?client=0d4b338c-2638-460b-926c-9cec9606c70d&tenant=ec2458f2-1e24-41c8-b71b-0e701af7583d"}
Response code: 400
X-Request-Id / Cerner-Correlation-Id / opc-request-id:
"cerner-correlation-id":"7c0cbf8d-277b-4889-b853-41c61499bedf"
Token URL: https://authorization.cerner.com/tenants/ec2458f2-1e24-41c8-b71b-0e701af7583d/hosts/fhir-ehr-code.cerner.com/protocols/oauth2/profiles/smart-v1/token
Query: client_id=0d4b338c-2638-460b-926c-9cec9606c70d, grant_type=authorization_code, code=3f596057-c256-4c27-b16e-de6242b0c17d, redirect_uri=https://applications.zoom.us/zoom/smartcerner/zoomauth
Date/time of the example: 2025-04-24T14:59:43.919Z
All getAccessToken calls during the smart launch are failing with the above error for all the customers.